Finding the Third Proportional to 2,099,538 and 4,605,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,538 : 4,605,859.50 = 4,605,859.50 : x
2. Step 2: Convert to fraction form
   2,099,538/4,605,859.50 = 4,605,859.50/x
3. Step 3: Cross multiply
   2,099,538x = 4,605,859.50 × 4,605,859.50
4. Step 4: Simplify right side
   2,099,538x = 21,213,941,733,740.25
5. Step 5: Solve for x
   x = 21,213,941,733,740.25/2,099,538
6. Step 6: Final answer
   x = 10,104,099.92